:root{color-scheme:dark;--ink:#0b1524;--muted:#5b6b7f;--line:rgba(15,23,42,.10);--accent-light:#2f6fb8;--accent-dark:#29abe2;}
*{box-sizing:border-box}
body{margin:0;background:#05080f;color:#cbd5e1;font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--accent-dark);outline-offset:2px;border-radius:4px}
.ins-wrap{max-width:1152px;margin:0 auto;padding:0 24px}
.ins-wrap-narrow{max-width:720px;margin:0 auto;padding:0 24px}
/* header */
.ins-header{position:sticky;top:0;z-index:50;background:rgba(5,8,15,.8);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.1)}
.ins-header-in{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px;gap:16px}
.ins-brand img{height:30px;width:auto}
.ins-nav{display:none;align-items:center;gap:26px;font-size:14px;color:#cbd5e1}
.ins-nav a:hover{color:#fff}
.ins-cta{background:#29abe2;color:#04121a;font-weight:500;border-radius:9999px;padding:8px 18px}
.ins-cta:hover{background:#46b7e8}
@media(min-width:1024px){.ins-nav{display:flex}}
/* eyebrow */
.ins-eyebrow{display:flex;align-items:center;gap:12px;color:var(--accent-dark);font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase}
.ins-eyebrow-line{height:1px;width:32px;background:currentColor;opacity:.6;display:inline-block}
.ins-dot{opacity:.5;margin:0 2px}
.ins-tag{color:var(--accent-dark);font-weight:600}
/* archive */
.ins-archive{background:#eef2f7;color:var(--ink);padding:72px 0 96px}
.ins-archive .ins-eyebrow{color:var(--accent-light)}
.ins-archive-h{margin:20px 0 0;font-size:34px;letter-spacing:-.02em;color:var(--ink)}
.ins-lede{margin:16px 0 0;max-width:640px;color:var(--muted);font-size:18px;line-height:1.6}
.ins-list{margin-top:44px;display:grid;gap:20px;max-width:820px}
.ins-card{display:block;background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px 28px;box-shadow:0 1px 2px rgba(15,23,42,.05),0 12px 32px -20px rgba(15,23,42,.35);transition:border-color .2s,transform .2s}
.ins-card:hover{border-color:rgba(47,111,184,.4);transform:translateY(-2px)}
.ins-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.ins-card .ins-tag{color:var(--accent-light)}
.ins-card-title{margin:12px 0 0;font-size:22px;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
.ins-card-summary{margin:10px 0 0;color:var(--muted);font-size:15px;line-height:1.6}
.ins-readlink{display:inline-block;margin-top:16px;color:var(--accent-light);font-weight:500;font-size:14px}
.ins-empty{color:var(--muted)}
/* article */
.ins-article{background:#f6f8fb;color:var(--ink);padding:64px 0 88px}
.ins-article .ins-eyebrow{color:var(--accent-light)}
.ins-article-meta{margin-top:18px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ins-article-meta .ins-tag{color:var(--accent-light)}
.ins-article-date{display:block;margin-top:8px;color:var(--muted);font-size:14px}
.ins-article-h{margin:14px 0 0;font-size:36px;line-height:1.12;letter-spacing:-.02em;color:var(--ink)}
.ins-body{margin-top:32px;font-size:18px;line-height:1.7;color:#243244}
.ins-body p{margin:0 0 20px}
.ins-body h2{margin:40px 0 12px;font-size:22px;line-height:1.3;color:var(--ink)}
.ins-body h3{margin:32px 0 10px;font-size:18px;color:var(--ink)}
.ins-body a{color:var(--accent-light);text-decoration:underline;text-underline-offset:2px}
.ins-body ul,.ins-body ol{margin:0 0 20px;padding-left:22px}
.ins-body li{margin:0 0 8px}
.ins-body h2:first-of-type{border-top:1px solid var(--line);padding-top:34px}
.ins-body blockquote{margin:32px 0 0;padding:14px 18px;border-left:2px solid rgba(47,111,184,.4);background:rgba(47,111,184,.05);color:var(--muted);font-size:14px;line-height:1.6}
.ins-backwrap{margin-top:44px}
.ins-back{color:var(--accent-light);font-weight:500}
.ins-prevnext{margin-top:24px;display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:640px){.ins-prevnext{grid-template-columns:1fr 1fr}}
.ins-pn{display:block;border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fff}
.ins-pn span{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.ins-pn strong{display:block;margin-top:6px;color:var(--ink);font-weight:600;font-size:15px}
.ins-pn-next{text-align:right}
/* footer */
.ins-footer{background:#05080f;border-top:1px solid rgba(255,255,255,.1);color:#cbd5e1}
.ins-footer-grid{display:grid;gap:36px;grid-template-columns:1fr;padding-top:56px;padding-bottom:40px}
@media(min-width:768px){.ins-footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.ins-footer-logo{height:28px;width:auto}
.ins-footer-tag{margin-top:16px;font-size:14px;line-height:1.6;color:#94a3b8;max-width:320px}
.ins-footer-h{font-size:14px;font-weight:600;color:#fff}
.ins-footer ul{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px;font-size:14px;color:#94a3b8}
.ins-footer ul a:hover{color:#fff}
.ins-footer-legal{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;padding-bottom:24px;font-size:12px;color:#64748b}